Classification
330 - Economics
7,677
339 - Macroeconomics & related topics
494
338 - Production
248
332 - Financial economics
179
337 - International economics
125
658 - General management
79
320 - Political science
30
331 - Labor economics
26
003 - Systems
25
336 - Public finance
22
519 - Probabilities & applied mathematics
21
333 - Economics of land & energy
20
657 - Accounting
17
300 - Social sciences
13
327 - International relations
11
006 - Special computer methods
8
302 - Social interaction
7
306 - Culture & institutions
7
900 - History & geography
7
005 - Computer programming, programs & data
5
343 - Military, tax, trade & industrial law
4
303 - Social processes
3
363 - Other social problems & services
3
368 - Insurance
3
500 - Natural sciences & mathematics
3
100 - Philosophy & psychology
2
140 - Specific philosophical schools
2
170 - Ethics
2
174 - Occupational ethics
2
305 - Social groups
2
621 - Applied physics
2
000 - Computer science, information & general works
1
004 - Data processing & computer science
1
149 - Other philosophical systems
1
155 - Differential & developmental psychology
1
200 - Religion
1
297 - Islam, Babism & Bahai Faith
1
301 - Sociology & anthropology
1
304 - Factors affecting social behavior
1
307 - Communities
1
340 - Law
1
344 - Labor, social, education & cultural law
1
346 - Private law
1
350 - Public administration & military science
1
361 - Social problems & social welfare in general
1
364 - Criminology
1
380 - Commerce, communications & transportation
1
410 - Linguistics
1
530 - Physics
1
551 - Geology, hydrology & meteorology
1
more ...